ROLLING BEARING AND ALL ROLLING ELEMENT BEARING

摘要

PROBLEM TO BE SOLVED: To provide a rolling bearing and an all rolling element bearing capable of securing low dusting characteristics and low outgassing characteristics, and achieving long life.

SOLUTION: A lubricant containing a PFPE indicated by the expression and having an average molecular weight of 11,000 or higher and PTFE particles with primary particles having an average diameter of 1 μm or smaller is disposed on at least one of a first raceway of a first bearing ring, a second raceway of a second bearing ring, a surface of a rolling element, and surfaces opposed to the rolling element in each pocket of a retainer by 9 to 16 g per 1m2of the total area obtained by adding the area of the first raceway, the area of the second raceway, the area of the surface of the rolling element, and the area of the surfaces opposed to the rolling element in each pocket of the retainer.

COPYRIGHT: (C)2013,JPO&INPIT